Periodic indicative notice without call for competition, deadline 29.09.2017, for innovative Low Disruption Tunnel Renewals. Network Rail is responsible for 703 operational tunnels throughout the network with a total 335 km of tunnel structures. It is necessary to develop alternative techniques for tunnel re-lining that will meet future demands of reduced track access and increasing train operations. Contact Network Rail Infrastructure Ltd, London, email Alex.Jerome@networkrail.co.uk. Visit http://ted.europa.eu/udl?request=Seek-Deliver&language=en&docid=363241-2017. 37/17.
